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IP address guides
Short, plain-English answers to the questions people ask about IP addresses.
Basics
- What is an IP address?The basics: what the number means and who gives it to you.
- What is IPv4?The dotted 32-bit format, special ranges and why it ran out.
- What is IPv6?128-bit addresses, how to read and shorten them, and address types.
- IPv4 vs IPv6Side-by-side comparison, and why you probably have both.
- Public vs private IPWhy your computer's IP differs from the one websites see.
- Static vs dynamic IPWhy your IP changes, and when you need one that doesn't.
How-to
Privacy
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